{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["application", "engineering feature", "machanical property", "machine or equipment", "process parameter", "process characterization"], "input": "The features and functionality of the component are further determined by the direction of the gradient within the material composition ."}
{"application": [], "engineering feature": [], "machanical property": [], "machine or equipment": ["component"], "process parameter": [], "process characterization": []}